diff --git a/environment.yml b/environment.yml
index e9b832b4..e42a97ef 100644
--- a/environment.yml
+++ b/environment.yml
@@ -13,7 +13,7 @@ dependencies:
   - sphinx==1.8.3
   - sphinx_rtd_theme==0.4.2
   - recommonmark==0.5.0
-  - requests-async==0.4.0
+  - requests-async==0.5.0
   - sphinxcontrib-asyncio>=0.2.0
   - docutils==0.14
   - pygments==2.3.1
diff --git a/setup.py b/setup.py
index 2cd973b7..861ce013 100644
--- a/setup.py
+++ b/setup.py
@@ -89,8 +89,8 @@ tests_require = [
     "multidict>=4.0,<5.0",
     "gunicorn",
     "pytest-cov",
-    "httpcore==0.1.1",
-    "requests-async==0.4.0",
+    "httpcore==0.3.0",
+    "requests-async==0.5.0",
     "beautifulsoup4",
     uvloop,
     ujson,
diff --git a/tox.ini b/tox.ini
index c825f0de..616b7acd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,8 +12,8 @@ deps =
     pytest-cov
     pytest-sanic
     pytest-sugar
-    httpcore==0.1.1
-    requests-async==0.4.0
+    httpcore==0.3.0
+    requests-async==0.5.0
     chardet<=2.3.0
     beautifulsoup4
     gunicorn